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Atoms
1.1/1.2 Vocab
Scientific Method
Covalent Bonds
Ionic Bonds
100
Electron.
What is the negatively charged particle in an atom?
100
Biosphere.
What is the name for all living things and all the places they are found on earth?
100
1. Observing 2. Forming Hypotheses 3. Testing Hypotheses 4. Analyze Data 5. Evaluating Results
What are the steps of the scientific method?
100
Two electrons shared between two atoms.
What is a covalent bond?
100
An ion.
What is an atom that has gained or lost one or more electrons?
200
Protons and neutrons exist there.
What two particles exist in the nucleus of an atom?
200
Biodiversity
What is the variety of life across the biosphere?
200
The condition in an experiment that is manipulated or changed by the experimenter.
What is the independent variable?
200
Four electrons shared between two atoms.
What is a double covalent bond?
300
The octet rule.
What is the name of the rule that states and atom must have eight electrons in it's outer energy level to be stable?
300
Metabolism.
What are all of the chemical processes in an organism that build up or break down material.
300
The variables in an experiment that are observed and measured during an experiment.
What is the dependent variable?
300
The molecule we spoke of in class that is a good example of covalent bonds.
What is CO2 (Carbon Dioxide)?
300
An electrical force between two oppositely charged ions.
What is an ionic bond?
400
Because they want to become more stable.
Why do atoms undergo bonding?
400
DNA
What is the name of the molecule that is the genetic material in all organisms?
400
The subjects in this group are treated exactly as the experimental group except that they receive a placebo.
What is the control group?
400
A molecule.
What is two or more atoms held together by covalent bonds?
400
The plus sign exponent on an ion.
What symbol indicates that an ion has lost an electron?
500
The subatomic particles that determine the bonding properties of an element.
What are electrons?
500
Homeostasis.
What is the maintenance of a constant internal environment in an organism?
500
The experimental group.
What is the group other than the control group in an experiment, who actually receives the active ingredient (not a placebo).
500
The type of covalent bonds found in CO2 (Carbon Dioxide).
What are double covalent bonds?
500
A compound.
What is a substance made of atoms of different elements bonded together in a certain ratio?